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2010-09-10 Nathan Froyd <froydnj@codesourcery.com>
Issue #9120
* release-notes-csl.xml (Compiler optimization improvements): New
bullet.
gcc/
* gimple.c (is_gimple_min_invariant): Check for constant INDIRECT_REFs.
2010-09-08 Tom de Vries <tom@codesourcery.com>
gcc/
=== modified file 'gcc/gimple.c'
--- old/gcc/gimple.c 2010-06-22 17:23:11 +0000
+++ new/gcc/gimple.c 2010-09-15 16:47:52 +0000
@@ -2591,7 +2591,13 @@
op = strip_invariant_refs (TREE_OPERAND (t, 0));
- return op && (CONSTANT_CLASS_P (op) || decl_address_invariant_p (op));
+ if (!op)
+ return false;
+
+ if (TREE_CODE (op) == INDIRECT_REF)
+ return CONSTANT_CLASS_P (TREE_OPERAND (op, 0));
+ else
+ return CONSTANT_CLASS_P (op) || decl_address_invariant_p (op);
}
/* Return true if T is a gimple invariant address at IPA level
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